Two long, straight parallel wires carry currents in the positive y direction. wire 1 is at x=0 and carries a 20a current. wire 2 is at x=20cm and caries a 8a current. at what value of x in the plane of the wires is the magnetic field zero, in cm?

The consumption of fossil fuels could be

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction